$ git clone -n https://src.fedoraproject.org/rpms/python-snaptime.git /var/lib/mock/f45-build-32984-665/root/chroot_tmpdir/scmroot/python-snaptime
Cloning into '/var/lib/mock/f45-build-32984-665/root/chroot_tmpdir/scmroot/python-snaptime'...
$ git fetch origin 15f1eea22cf7bc0e12fb13890e5f2a8ceffa73ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-snaptime
 * [new ref]         15f1eea22cf7bc0e12fb13890e5f2a8ceffa73ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15f1eea Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild